How many representative particles are in 1.45g of a molecular compound with a molar mass of 237g

How many moles of N2 are in a flask with a volume of 250ml at a pressure of 300.0 KPa and a temp of 300.0 K

Some people think that wind power should be used for all the electricity in the United States. Which argument could be used to dispute this idea?

How many moles are in 5.8g of copper?

Nitrogen gas is a diatomic molecule. what is the mass of one mole of nitrogen gas?

Calculate the frequency 337.1 nm (wavelength of a nitrogen laser) with the final answer using 3 sig figs, and being in S^-1

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3) 20? O c 2sp^3 + 2sp^3 OC 2sp^2 + 0 2p O c 2sp^2 + 0 25p^2 O C 2sp^3 + O 2sp?

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

How to make fluffy slime without contact solution?

When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the percent yield of hydrogen during this reaction? Mg + 2HNO3 Mg (NO3) 2 + H2 3.3 % 48.5 % 25.7 % 102 % 98 %

A small cubical furnace 50 by 50 by 50 cm on the inside is constructed of fireclay brick [k = 1.04 W/m. degree C] with a wall thickness of 10 cm. The inside of the furnace is maintained at 500 degree C, and the outside is maintained at 50 degree C.